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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/hpet.h>
/****************************************************************
* HPET
****************************************************************/
Scope(\_SB) {
Device(HPET) {
Name(_HID, EISAID("PNP0103"))
Name(_UID, 0)
OperationRegion(HPTM, SystemMemory, HPET_BASE_ADDRESS, 0x400)
Field(HPTM, DWordAcc, Lock, Preserve) {
VEND, 32,
PRD, 32,
}
Method(_STA, 0, NotSerialized) {
Local0 = VEND
Local1 = PRD
Local0 >>= 16
If ((Local0 == 0) || (Local0 == 0xffff)) {
Return (0x0)
}
If ((Local1 == 0) || (Local1 > 100000000)) {
Return (0x0)
}
Return (0x0F)
}
Name(_CRS, ResourceTemplate() {
Memory32Fixed(ReadOnly,
HPET_BASE_ADDRESS, // Address Base
0x00000400, // Address Length
)
})
}
}
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